參數(shù)資料
型號(hào)： OM6208
英文描述： 65 x 96 pixels matrix grey-scale LCD driver
中文描述： 65 × 96像素矩陣灰度LCD驅(qū)動(dòng)器
文件頁(yè)數(shù)： 46/68頁(yè)
文件大?。?/td> 296K
代理商： OM6208
2003 feb 10
46
Philips Semiconductors
Product specification
65 x 96 pixels matrix grey-scale LCD driver
OM6208
17 MODULE MAKER PROGRAMMING
One Time Programmable (OTP) technology has been
implemented in the OM6208. This enables the module
maker to program some extended features of the OM6208
after it has been assembled on an LCD module.
Programming is made under the control of the interfaces
and the use of one special pin. This pin must be made
available on the module glass but does not need to be
accessed by the set maker.
The OM6208 features the following module maker
programmable parameters:
V
LCD
calibration
Default temperature compensation slopes
Default charge pump multiplication factor
Default V
PR
value
Default bias levels BS[2:0]
Default frame frequency range in grey-scale mode
GFR[2:0]
Default oscillator tuning in grey-scale mode GT[2:0]
Default frame frequency in black-and-white mode
SFR[2:0]
Default oscillator tune in black-and-white mode ST[2:0]
Default N-line inversion NL[6:0]
Default frame inversion FI
Enable factory default FD
Seal bit.
17.1
V
LCD
calibration
The first OTP feature included is the ability to tune the
V
LCD
voltage with a 6-bit code (MMVOPCAL). This code is
implemented in twos complement notation giving rise to a
positive or negative offset to the V
PR
register. The adder in
the circuit has underflow and overflow protection. In the
event of an overflow, the output will be clamped to 255;
with an underflow, the output will be clamped to logic 0.
The final control to the high voltage generator, V
OP
, will be
the sum of all the calibration registers according to
Section 11.10, equation (4).
Table 20
V
LCD
calibration
MMVOPCAL
DECIMAL
EQUIVALENT
V
LCD
OFFSET
(mV)
5
4
3
2
1
0
0
0
0
:
0
0
0
1
1
:
1
1
1
1
1
1
:
0
0
0
1
1
:
0
0
0
1
1
1
:
0
0
0
1
1
:
0
0
0
1
1
1
:
0
0
0
1
1
:
0
0
0
1
1
0
:
1
0
0
1
1
:
1
0
0
1
0
1
:
0
1
0
1
0
:
0
1
0
31
30
29
:
2
1
0
1
2
:
30
31
32
930
900
870
:
60
30
0
30
60
:
900
930
960
handbook, full pagewidth
MGW839
Temperature compensation VT, 7 bit value
VT[6:0]
VOP
range:
64 to
+
63
range:
32 to
+
31
range: 0 to
+
255
(usable range
+
32 to
+
224)
range: 0 to
+
255
to high voltage
generator
OTP VLCD calibration, 6 bit offset
MMVOPCAL[5:0]
VPR register, 8 bit value
VPR[7:0]
+
Fig.41 V
LCD
calibration.
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